Hi All,
I created one database of 1GB in size, and have a batch of
*read-only*queries to be performed.
Each query is quite simple, so there is not much room to improve.
All the queries are executed through *XQJ api.*
If these queries are sequentially executed, it costs 5~8 seconds per query.
To speed it up, I tried to executed it in a multi-thread way. But turns out
to be much slower than the sequential one.
This is what I wrote for each thread:
public void run() {
try {
XQConnection conn = ds.getConnection();
XQSequence rs = conn.prepareExpression(input)
.executeQuery();
//process the query result
conn.close();
}
} catch (Throwable e) {
e.printStackTrace();
}
}
Anyone has the idea on how to improve the batch of queries.
Thanks,
--
Regards
Shanshan
School of Computing
National University of Singapore
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